Home / 19,368.40-29,052.60-10,133.20

Finding the Fourth Proportional to 19,368.40, 29,052.60 and 10,133.20

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Solution

The fourth proportional to 19,368.40, 29,052.60 and 10,133.20 is: 15,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.40 : 29,052.60 = 10,133.20 : x
  2. Step 2: Convert to fraction form
    19,368.40/29,052.60 = 10,133.20/x
  3. Step 3: Cross multiply
    19,368.40x = 29,052.60 × 10,133.20
  4. Step 4: Simplify right side
    19,368.40x = 294,395,806.32
  5. Step 5: Solve for x
    x = 294,395,806.32/19,368.40
  6. Step 6: Final answer
    x = 15,199.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.